Sharpen an image, reduce noise or dehaze

Sharpen edges, reduce noise or dehaze a photo.

Example image · ready to edit

PNG, JPEG or WebP. Up to 25 MB and 4000 × 4000 px. Large images are reduced to a 2000 px long edge. Your image stays in this browser.

Your preview

Live preview · updating

Result

Adjust the settings, then process your image to see the result here.

Adjust · preview updates automatically

ModeStrength80

Edits start from the original image. A fast preview updates as you adjust; full-size detail follows when you pause. Download uses your current settings.

Choose the filter for the problem

Sharpen image edges, reduce visible noise or dehaze a photo with local image filters. Inspect full-resolution detail and download the result.

Sharpen increases edge contrast, Reduce noise smooths local variation, and Dehaze changes contrast in hazy-looking scenes. Each starts from the original. Too much sharpening creates halos; too much smoothing removes texture. These filters cannot reconstruct missing detail.

Sharpen Image: original example before editing — Dehaze restores contrast and colour to the hazy hills. Sharpen opens on a detailed bicycle photo instead; judge it at 100% in the tool.

Sharpen Image: actual saved output — Dehaze restores contrast and colour to the hazy hills. Sharpen opens on a detailed bicycle photo instead; judge it at 100% in the tool.

Sharpen edges or reduce image noise?

Use Sharpen when a slightly soft edge needs more contrast. Use Reduce noise for grain in otherwise usable detail. Dehaze is for flat contrast in a hazy scene. Switch modes to compare them; the filters do not stack.

Sharpen: inspect the actual result

Sharpen: bicycle with simulated light blur — A lightly blurred bicycle photo. Compare spokes and the frame at full size; sharpening cannot recover detail that the blur removed.

Sharpen: saved output from the local filter — A lightly blurred bicycle photo. Compare spokes and the frame at full size; sharpening cannot recover detail that the blur removed.

Download input · Download result · Inspect the maximum-strength comparison

Reduce noise: inspect the actual result

Reduce noise: bicycle with simulated noise — The same bicycle photo with simulated noise. Compare the wall and spokes: smoothing can remove texture as well as noise.

Reduce noise: saved output from the local filter — The same bicycle photo with simulated noise. Compare the wall and spokes: smoothing can remove texture as well as noise.

Download input · Download result · Inspect the maximum-strength comparison

Higher strength is not always better. Look for bright edge outlines after sharpening and lost fine texture after smoothing. The examples use deliberately simulated blur or noise; they are not evidence of recovering a severely blurred photograph.

How to use Sharpen Image

01
Choose an image and a mode: Sharpen, Reduce noise or Dehaze.
02
Adjust strength and watch the preview. Pause to inspect full-size pixel detail.
03
Compare edges and texture, then download the completed PNG.

When this tool works best

These are traditional image filters. Sharpening cannot recreate missing details, reverse major motion blur or provide AI super-resolution; for that, use the AI Image Upscaler. Strong settings can create halos or soften texture.

Your downloaded file

A PNG at the displayed working resolution. Each mode starts from the original image; modes are not silently stacked.

Your image stays on your device

Processing runs in this browser. No image upload, account or remote AI service is required. Original images are kept separate from edits; failed processing keeps the original available. Downloads use your current settings; previews update automatically where supported. Open-source notices